Title:
ROUTER BIT
Document Type and Number:
WIPO Patent Application WO/2024/014008
Kind Code:
A1
Abstract:
Provided is a router bit (10) which machines a material (20) to be cut and comprises a main body portion which is made of cemented carbide and a body (12) which is formed by cutting one end side of the main body portion and is provided with a blade portion (14). The body (12) is provided with a main flute (18) and a sub flute (19) which discharge chips of the material (20) to be cut. Porosity R in an overall effective blade length (L) of the body (12) is set to 52%≤R≤75%.
Inventors:
TAKAHASHI FUMIAKI (JP)
NIWA SHINJI (JP)
ZHANG JIANHUA (JP)
NIWA SHINJI (JP)
ZHANG JIANHUA (JP)
Application Number:
PCT/JP2022/033001
Publication Date:
January 18, 2024
Filing Date:
September 01, 2022
Export Citation:
Assignee:
TAKAHASHI HAMONO IND CO LTD (JP)
International Classes:
B23C5/10; B27G13/12
Domestic Patent References:
| WO2019163677A1 | 2019-08-29 |
Foreign References:
| JP2021053794A | 2021-04-08 | |||
| JPH0283109A | 1990-03-23 | |||
| JPH0646816U | 1994-06-28 | |||
| JPS251599B1 | ||||
| JP2008511465A | 2008-04-17 | |||
| JP2014210324A | 2014-11-13 | |||
| US20040120777A1 | 2004-06-24 | |||
| JP2000246728A | 2000-09-12 | |||
| JPH0717413U | 1995-03-28 |
Attorney, Agent or Firm:
OKAWA Tomoya (JP)
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